The 280 Series power take-off from Parker Chelsea is designed for the 10-bolt PTO pattern on Allison and CAT automatic transmissions. Combining the 277 and 278 Series into one model, the PTO features a single, continuous duty torque rating. Pump clearance has been improved with rotatable cast-iron flanges. Speed ranges have been expanded from 5 to 9 ratios for more low and high speeds. 662/895-1011; www.phtruck.com.